17724973

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1237}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 21392640

約数和(自身を除く): 3667667

約数列:

[1, 7, 23, 89, 161, 623, 1237, 2047, 8659, 14329, 28451, 110093, 199157, 770651, 2532139, 17724973]

約数ペア:

[(1, 17724973), (7, 2532139), (23, 770651), (89, 199157), (161, 110093), (623, 28451), (1237, 14329), (2047, 8659)]